Relay.app vs Vertex AI
Relay.app and Vertex AI are both AI Platforms tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Relay.app | Vertex AI |
|---|---|---|
| Vendor | Relay.app | Google Cloud |
| Rating | ★ 4.6 | ★ 4.5 |
| Pricing | Freemium | Pay-as-you-go |
| Platforms | Web | GCP Console, API, SDK |
| Key features | Human approvals, AI steps, Pretty flows | Gemini and third-party models on one platform, Tuning and distillation jobs, Vertex Search / RAG tooling |
| Headquarters | San Francisco, USA | Mountain View, USA |
| Founded | 2023 | 2021 |
| Open source | No | No |
Key differences
- Relay.app has a higher user rating (4.6★ vs 4.5★).
- Relay.app is Freemium, while Vertex AI is Pay-as-you-go.
- Relay.app runs on Web; Vertex AI runs on GCP Console, API, SDK.
Frequently asked questions
Is Relay.app or Vertex AI better?
By user rating, Relay.app scores higher (4.6★ vs 4.5★). Both are capable AI Platforms tools, so review the feature comparison for your use case.
Which is cheaper, Relay.app or Vertex AI?
Relay.app is Freemium and Vertex AI is Pay-as-you-go. Check each product page for current plan details.
Are Relay.app and Vertex AI open source?
No — neither Relay.app nor Vertex AI is open source.